d2
Thermador
Service Diagnostic Indicator
Oven displays d2 and may limit or alter normal operation.
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Possible Causes
Control in service test mode, Incomplete diagnostic sequence, Software configuration issue
How to Fix / Troubleshooting
Safety first: No high-voltage work is typically required.
- Complete or exit diagnostics: Follow the service manual to either complete the diagnostic tests or exit the mode.
- Power reset: Turn off power at the breaker for 5–10 minutes, then restore.
- Control replacement: If the control remains stuck in d2 and cannot be reset, the EOC may need replacement.
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Repair Difficulty
Easy
2/5
Required Part
Electronic Oven Control (EOC) Board
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